Weather Factors 2.4 Water in the Atmosphere
Terms
undefined, object
copy deck
- cumulus
- fluffy, white clouds, usually with flat bottoms, that look rounded piles of cotton
- fog
- clouds that form at or near the ground
- stratus
- clouds that form in flat layers and ofter cover much of the sky
- nimbus
- suffix that means "rain"
- water cycle
- movement of water between the atmosphere and the Earth's surface
- relative humidity
- percentage of water vapor that is actually in the air compared to the maximum amount of water vapor the air can hold at a particular temperature
- dew point
- the temperature at which condensation begins
- humidity
- measure of the amount of water vapor in the air
- frost
- ice that has been depositied on a surface that is below freezing
- alto
- prefix that means "high"
- cloud
- What forms when water vapor in the air condenses to form liquid water or ice crystals?
- dew
- liquid water that condenses from the air onto a cooler surface
- cirrus
- wispy, feathery clouds made of ice crystals that form at high levels
- psychrometer
- instrument used to measure relative humidity
- cirrus
- comes from a word that meaning a curl of hair
- stratus
- means "spread out"
- cumulus
- means "heap" or "mass" in Latin
- evaporation
- process by which water molecules in liquid water escape into the air as water vapor
- condensation
- Both cooling of the air AND the presence of particles in the air are required for what to occur?
- thermometer
- A psychrometer is made up of two of these, a wet-bulb and a dry-bulb.
- condensation
- process by which molecules of water vapor in the air become liquid water